解决title跨站攻击的漏洞

git-svn-id: https://m-log.googlecode.com/svn/trunk/M-LOG@580 fb20f3ff-b375-a5d1-e911-89717aad2d21
解决评论回复通知邮件乱码问题

git-svn-id: https://m-log.googlecode.com/svn/trunk/M-LOG@581 fb20f3ff-b375-a5d1-e911-89717aad2d21